/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.file.remote.integration;

import java.util.concurrent.TimeUnit;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.jupiter.api.Test;

import static org.apache.camel.test.junit5.TestSupport.createDirectory;
import static org.apache.camel.test.junit5.TestSupport.deleteDirectory;
import static org.awaitility.Awaitility.await;

/**
 * Unit test to verify polling a server with no files to poll.
 */
public class FromFtpNoFilesIT extends FtpServerTestSupport {

    private String getFtpUrl() {
        return "ftp://admin@localhost:{{ftp.server.port}}/slowfile?password=admin&binary=false&readLock=rename&delay=2000";
    }

    @Test
    public void testPoolIn3SecondsButNoFiles() {
        deleteDirectory(service.getFtpRootDir());
        createDirectory(service.getFtpRootDir().resolve("slowfile"));
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(0);

        await().atMost(3, TimeUnit.SECONDS)
                .untilAsserted(() -> mock.assertIsSatisfied());
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            public void configure() {
                from(getFtpUrl()).to("mock:result");
            }
        };
    }
}
